package cn.zl.shiro.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @author zhanglang
 * @Date 2020/6/30
 */
@Configuration
public class ShiroConfig {
    //3.ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        /**
         * 添加shiro的内置过滤器
         * anon：无需认证就可以访问
         * authc：必须认证才能访问
         * user：必须拥有 记住我 这个功能才能用
         * perms：拥有对某个资源的权限才能访问
         * role：拥有某个角色权限才能访问
         *
         * //        filterMap.put("/user/add","authc");
         * //        filterMap.put("/user/update","authc");
         */
        //拦截
        Map<String,String> filterMap=new LinkedHashMap<>();
        //设置请求权限
//        filterMap.put("/user/add","authc");
//        filterMap.put("/user/update","authc");
        //授权,正常的情况下，没有授权会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        //设置为user下所有请求的权限
//        filterMap.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        //设置未授权页面
        bean.setUnauthorizedUrl("/noauth");
        return bean;
    }

    //2.DefaultWebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //1.创建Realm,需要自定义类
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //整合ShiroDialect:用来整合shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}
